Kerberos Server

install

apt-get install krb5-kdc krb5-admin-server

make a newrealm

krb5_newrealm

hint

in a vrtualmachine you have to supply random data
like this in a second console  
cat /dev/sda > /dev/urandom

notice master key name

master key name 'K/M@WOK.LAN'